Home / 52,272.40-72,136.26-28,399.07

Finding the Fourth Proportional to 52,272.40, 72,136.26 and 28,399.07

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Solution

The fourth proportional to 52,272.40, 72,136.26 and 28,399.07 is: 39,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.40 : 72,136.26 = 28,399.07 : x
  2. Step 2: Convert to fraction form
    52,272.40/72,136.26 = 28,399.07/x
  3. Step 3: Cross multiply
    52,272.40x = 72,136.26 × 28,399.07
  4. Step 4: Simplify right side
    52,272.40x = 2,048,602,445.94
  5. Step 5: Solve for x
    x = 2,048,602,445.94/52,272.40
  6. Step 6: Final answer
    x = 39,190.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.